Make classes and structures in core/html fast-allocated.

Source/core/html/parser/HTMLInputStream.h

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef HTMLInputStream_h
 #define HTMLInputStream_h
 
 #include "core/html/parser/InputStreamPreprocessor.h"
 #include "platform/text/SegmentedString.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 // The InputStream is made up of a sequence of SegmentedStrings:
 //
 // [--current--][--next--][--next--] ... [--next--]
 //            /\                         (also called m_last)
 //            L_ current insertion point
 //
 // The current segmented string is stored in InputStream.  Each of the
 // afterInsertionPoint buffers are stored in InsertionPointRecords on the
 // stack.
 //
 // We remove characters from the "current" string in the InputStream.
 // document.write() will add characters at the current insertion point,
 // which appends them to the "current" string.
 //
 // m_last is a pointer to the last of the afterInsertionPoint strings.
 // The network adds data at the end of the InputStream, which appends
 // them to the "last" string.
 class HTMLInputStream {
+    DISALLOW_ALLOCATION();
     WTF_MAKE_NONCOPYABLE(HTMLInputStream);
 public:
     HTMLInputStream()
         : m_last(&m_first)
     {
     }
 
     void appendToEnd(const SegmentedString& string)
     {
         m_last->append(string);
@@ skipping 55 matching lines @@
             m_first.close();
         }
     }
 
 private:
     SegmentedString m_first;
     SegmentedString* m_last;
 };
 
 class InsertionPointRecord {
+    STACK_ALLOCATED();
     WTF_MAKE_NONCOPYABLE(InsertionPointRecord);
 public:
     explicit InsertionPointRecord(HTMLInputStream& inputStream)
         : m_inputStream(&inputStream)
     {
         m_line = m_inputStream->current().currentLine();
         m_column = m_inputStream->current().currentColumn();
         m_inputStream->splitInto(m_next);
         // We 'fork' current position and use it for the generated script part.
         // This is a bit weird, because generated part does not have positions within an HTML document.
@@ skipping 13 matching lines @@
 private:
     HTMLInputStream* m_inputStream;
     SegmentedString m_next;
     OrdinalNumber m_line;
     OrdinalNumber m_column;
 };
 
 }
 
 #endif